Toro Greensmaster TriFlex 3320/3420 Service Manual page 149

NOTE: The Turf Guardian
optional on Greensmaster TriFlex Hybrid machines.
Removal (Fig. 63)
1. Park machine on a level surface, set brake, lower
cutting units and stop engine. Remove key from the igni-
tion switch.
CAUTION
Before continuing further, read and become fa-
miliar with General Precautions for Removing
and Installing Hydraulic System Components in
this section.
2. Remove leak detector tank (see Leak Detector Tank
in this section).
3. Clean junction of tank hose (item 22) at solenoid
valve fitting (item 21). Loosen hose clamp (item 19) and
disconnect tank hose at solenoid valve fitting.
4. Unplug machine wire harness connector from the
solenoid valve connector.
5. Remove two (2) cap screws (item 23) and lock wash-
ers (item 24) that secure solenoid valve assembly to hy-
draulic reservoir.
6. Remove solenoid valve assembly from machine.
7. If necessary, remove fittings from solenoid valve
manifold. Discard removed O--rings.
Manifold Service
1. Disassemble solenoid valve manifold as needed us-
ing Figure 64 as a guide.
2. For cartridge valve service procedures, see Control
Manifold Cartridge Valve Service in this section.
A. When installing cartridge valve, torque valve 35
ft- -lb (47 N- -m).
B. When installing solenoid coil, apply a drop of Loc-
tite #242 (or equivalent) to threads of valve and
torque nut 10 in- -lb (1.1 N- -m).
Greensmaster 3320/3420
TM
Leak Detector System is
Page 5 - - 95
Installation (Fig. 63)
1. If fittings were removed from solenoid valve man-
ifold, lubricate and place new O--rings onto fittings.
Install fittings into manifold openings. Tighten fittings
(see Hydraulic Fitting Installation in the General Infor-
mation section of this chapter). Torque fittings from 40
to 50 ft- -lb (55 to 67 N- -m).
2. Position cover (item 17) and solenoid valve assem-
bly to hydraulic reservoir. Orientate the solenoid valve
assembly so the solenoid coil is closer to the front of the
reservoir.
3. Apply antiseize lubricant to the end threads of the
two (2) cap screws used to secure solenoid valve as-
sembly to hydraulic reservoir.
4. Secure solenoid valve assembly to hydraulic reser-
voir with two (2) cap screws (item 23) and lock washers
(item 24). Torque cap screws from 30 to 60 in- -lb (3.4 to
6.7 N- -m).
5. Connect tank hose (item 22) to solenoid valve fitting
(item 21) and secure with hose clamp (item 19).
6. Install leak detector tank (see Leak Detector Tank in
this section).
6
Loctite #242
1
2
3
35 ft- -lb
(47 N- -m)
Figure 64
1. Manifold
2. Cartridge valve
3. Seal
10 in- -lb
(1.1 N- -m)
5
4
3
4. Nut
5. Solenoid coil
6. Cartridge seal
Hydraulic System